EP3212390B1 - Verfahren und vorrichtung zum automatischen aufbringen eines geräuschdämpfenden elements auf einen reifen für fahrzeugräder - Google Patents

Verfahren und vorrichtung zum automatischen aufbringen eines geräuschdämpfenden elements auf einen reifen für fahrzeugräder Download PDF

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Publication number
EP3212390B1
EP3212390B1 EP15825812.9A EP15825812A EP3212390B1 EP 3212390 B1 EP3212390 B1 EP 3212390B1 EP 15825812 A EP15825812 A EP 15825812A EP 3212390 B1 EP3212390 B1 EP 3212390B1
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EP
European Patent Office
Prior art keywords
noise reducing
conveyor belt
reducing element
tyre
adhesive material
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
EP15825812.9A
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English (en)
French (fr)
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EP3212390A1 (de
Inventor
Cristiano Puppi
Maurizio Marchini
Albert Berenguer
Ivan Gildo Boscaino
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pirelli and C SpA
Pirelli Tyre SpA
Original Assignee
Pirelli SpA
Pirelli Tyre SpA
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Application filed by Pirelli SpA, Pirelli Tyre SpA filed Critical Pirelli SpA
Publication of EP3212390A1 publication Critical patent/EP3212390A1/de
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0061—Accessories, details or auxiliary operations not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0016—Handling tyres or parts thereof, e.g. supplying, storing, conveying
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C19/00—Tyre parts or constructions not otherwise provided for
    • B60C19/002—Noise damping elements provided in the tyre structure or attached thereto, e.g. in the tyre interior
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0016—Handling tyres or parts thereof, e.g. supplying, storing, conveying
    • B29D2030/0038—Handling tyre parts or semi-finished parts, excluding beads, e.g., storing, transporting, transferring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/0061—Accessories, details or auxiliary operations not otherwise provided for
    • B29D2030/0072—Attaching fasteners to tyres, e.g. patches, in order to connect devices to tyres

Definitions

  • the present invention relates to a process and an apparatus for automatically applying a noise reducing element to a tyre for vehicle wheels.
  • noise reducing element is used to indicate an element that, once associated to a tyre for vehicle wheels, has the capability to attenuate the noise produced by the tyre during use.
  • a capability is preferably provided to the aforementioned element by the type of material from which the aforementioned element is made.
  • a material suitable for such a purpose is for example a sound-absorbent material, such as open-cell foamed polyurethane.
  • elastomeric is used to refer to a composition comprising at least one elastomeric polymer and at least one reinforcing filler.
  • a composition also comprises additives like, for example, a cross-linking agent and/or a plasticizer. Thanks to the presence of the cross-linking agent, such a material can be cross-linked through heating, so as to form the end product.
  • feeding direction is used to indicate a direction parallel to the longitudinal direction of at least one conveyor belt.
  • the feeding direction thus corresponds to the direction of forward movement of the conveyor belt.
  • close proximity is used to indicate a positioning with mutual contact between two adjacent noise reducing elements or with an absolutely negligible distance apart with respect to the longitudinal extension of the same noise reducing elements.
  • a tyre for vehicle wheels generally comprises a carcass structure comprising at least one carcass ply formed of reinforcing cords incorporated in a matrix of elastomeric material.
  • the carcass ply has end edges respectively engaged with annular anchoring structures.
  • the latter are arranged in the areas of the tyre usually identified with the name "beads" and each of them is normally formed by a substantially circumferential annular insert on which at least one filling insert is applied, in a radially outer position thereof.
  • Such annular inserts are commonly identified as “bead cores” and have the task of keeping the tyre firmly fixed to the anchoring seat specifically provided in the rim of the wheel, thus preventing, in operation, the radially inner end edge of the tyre from coming out from such a seat.
  • Specific reinforcing structures having the function of improving the torque transmission to the tyre can be provided at the beads.
  • a crown structure is associated in a radially outer position with respect to the carcass structure.
  • the crown structure comprises a belt structure and, in a radially outer position with respect to the belt structure, a tread band made of elastomeric material.
  • the belt structure comprises one or more belt layers arranged radially one on top of the other and having textile or metallic reinforcing cords with a crossed orientation and/or an orientation substantially parallel to the direction of circumferential extension of the tyre.
  • a layer of elastomeric material can be provided between the carcass structure and the belt structure, said layer having the function of making the radially outer surface of the carcass structure as uniform as possible for the subsequent application of the belt structure.
  • under-layer made of elastomeric material can be arranged between the tread band and the belt structure, the under-layer having properties suitable for ensuring a steady union of the tread band to the belt structure.
  • Respective sidewalls of elastomeric material are applied on the side surfaces of the carcass structure, each extending from one of the side edges of the tread band up to the respective annular anchoring structure to the beads.
  • EP 1800911 illustrates a tyre with a noise reducing element comprising a structure made of foamed material arranged in a radially inner position with respect to the carcass, such a structure made of foamed material including a vulcanized foamed rubber composition having a density ranging from 0.1 g/cm 3 to 1 g/cm 3 .
  • EP 2239152 illustrates a tyre with a noise reducer attached to the tyre cavity surface.
  • the noise reducer is formed in a ring shape by butting in contact both end faces of an elongated sponge material disposed along the tyre circumferential.
  • EP 2660075 illustrates a tyre provided with a noise damper in the tyre cavity.
  • the tyre comprises a tread having a width TW in contact with the ground during travel, wherein a noise damper made with a sound-absorbing material is attached to the internal surface of the tyre in order to reduce the cavity resonance.
  • the noise damper is at least one continuous ribbon of sound-absorbing material having a width W and a thickness E, and fixed over an attachment width Wc to the tyre internal surface over a range of at least 30% of the inside of the tread in the radial direction.
  • the start end and the terminal end of the continuous ribbon are disposed in such a way to be offset from each another in the axial direction, and the continuous band forms, together with the tyre internal surface, a continuous groove having a width D which is at least equal to 10% of the width W of the continuous ribbon.
  • EP 2660037 illustrates a method for producing a tyre in which, on the tyre internal surface, a noise reducing element is provided in the form of a continuous ribbon.
  • the method comprises the following steps: providing a vulcanized tyre; mixing a composition suitable for forming the noise reducing element with an agent made of foamed material to produce a liquid composition; rotating the tyre and introducing the liquid composition on the tyre internal surface through a suitable device; varying the axial position of the tyre while the liquid composition is introduced and passes into a gel; drying and foaming the gelled liquid composition.
  • KR 2010 0043653 discloses an acoustic absorbent attaching device for a tire, comprising: a rotary table on and to which a tire is mounted; a transfer conveyor that continuously transfers acoustic absorbent, to one surface of which adhesive is applied, toward the rotary table; a guide rail provided between the rotary table and the transfer conveyor, which guides the acoustic absorbent to an inside of the tire; and pressing means for pressing the acoustic absorbent guided to the inside of the tire such that the acoustic absorbent is attached to an inner surface of the tire.
  • US 2003/150544 describes a self-seal tire manufacturing method comprising: attaching by press an adhesive to a tire wall surface side of a band-shape sponge layer so that the adhesive is exposed on the tire wall surface side face and spaced apart from a tire counter wall surface side face thereof, and a bonding layer is integrally formed of the adhesive on the tire wall surface side face of the sponge layer impregnated with the adhesive, thereby forming at least one band-shape seal layer; and winding in a circumferential direction of a pneumatic tire and bonding the band-shape seal layer all over an inner wall surface of the tire from one shoulder portion to the other shoulder portion of the tire with adjacent tire width direction ends of the band-shape seal layer being butted.
  • noise reducing elements generally consist of blocks of substantially parallelepiped shape made of foamed polymeric material (for example open cell foamed polyurethane) provided, on a face thereof, with a pressure-sensitive adhesive material covered by an anti-adhesive protective film, for example a film of paper or of a polymeric material, like polyethylene PE, polypropylene PP or polyethylene terephthalate PET, treated on the surface thereof with silicones.
  • foamed polymeric material for example open cell foamed polyurethane
  • an anti-adhesive protective film for example a film of paper or of a polymeric material, like polyethylene PE, polypropylene PP or polyethylene terephthalate PET, treated on the surface thereof with silicones.
  • the Applicant believes that for this purpose it is necessary to avoid the hands of the operator accidentally making contact with the adhesive face of the noise reducing element during and/or after the removal of the protective film. This could indeed generate an undesired uneven distribution of the adhesive on the noise reducing element. It is also necessary to prevent the noise reducing element, once glued on the tyre, from being able to move during the rolling of the tyre. This could result in an undesired abrasion by friction of the noise reducing element, with consequent reduction of the time of the noise attenuation effect.
  • the Applicant has thus felt the need to automate the gluing process of noise reducing elements to tyres for vehicle wheels, so as to increase productivity and achieve the desired precision and repeatability of the gluing operations of the same noise reducing elements.
  • the Applicant has noted that, particularly in those cases in which the protective film has the same size as the size in plan of the noise reducing element, the automatic removal of the aforementioned protective film would be problematic due to the difficulty in creating the initial peeling for the detachment of the protective film from the face of the noise reducing element.
  • the Applicant has thus thought to a solution that does not require the presence on the noise reducing element of a protective film to be removed before gluing the noise reducing element on the tyre.
  • the Applicant has perceived that such automation can be effectively obtained, starting from a noise reducing element without adhesive material and the relative protective film, by providing firstly an automated application of the adhesive material to the aforementioned noise reducing element and, thereafter, an automated transfer of such a noise reducing element, and of the adhesive material applied thereon, to the tyre for vehicle wheels.
  • the Applicant has found that the aforementioned automated application can take place by applying the adhesive material on a first surface of the noise reducing element while the latter is guided according to a predetermined direction, whereas the aforementioned automated transfer can take place by manipulating the noise reducing element at at least one second surface thereof different from the aforementioned first surface.
  • the present invention therefore relates, in a first aspect thereof, to a process for applying a noise reducing element to a tyre for vehicle wheels as recired in claim 1.
  • the Applicant believes that the process described above allows achieving, in a totally automated manner, the application of a noise reducing element on the radially inner surface of a tyre for vehicle wheels without the need to previously remove any protective film of the layer of adhesive material from the aforementioned noise reducing element.
  • the present invention relates to an apparatus for applying a noise reducing element to a tyre for vehicle wheels as recited in claim 9.
  • the present invention in at least one of the aforementioned aspects, can have at least one of the following preferred characteristics.
  • the actions described above are repeated cyclically to cover a predetermined portion of said radially inner surface of said tyre with a plurality of noise reducing elements.
  • applying said adhesive material onto said first surface of said noise reducing element comprises pressing said noise reducing element against said first conveyor belt so that said noise reducing element adheres firmly to a portion of said layer of adhesive material.
  • said noise reducing element is transferred to a second conveyor belt arranged downstream of said first conveyor belt, while holding said continuous film at said first conveyor belt.
  • said portion of said layer of adhesive material is detached from the layer of adhesive material arranged on said first conveyor belt when said noise reducing element has left said first conveyor belt.
  • manipulating said noise reducing element comprises picking up said noise reducing element, with said layer of adhesive material, from said second conveyor belt and moving it towards said tyre for vehicle wheels.
  • the application of the adhesive material to the noise reducing element thus preferably takes place, in a totally automated manner, by picking up the aforementioned layer of adhesive material from a continuous film associated with the aforementioned first conveyor belt and holding such a continuous film at the first conveyor belt when the noise reducing element is transferred to the aforementioned second conveyor belt to then be picked up and glued onto the tyre.
  • arranging said noise reducing element on said first conveyor belt comprises:
  • arranging said noise reducing element on said first conveyor belt comprises:
  • picking up said noise reducing element comprises exerting a suction force on said noise reducing element.
  • the noise reducing element can be fed by the feeding belt to the first conveyor belt also by means of just the movement of the first conveyor belt along said feeding direction.
  • the position of said continuous film on the upper surface of said first conveyor belt is adjustable in a direction perpendicular to said feeding direction. In this way, the correct positioning of the continuous film with respect to the noise reducing element is ensured.
  • positioning said noise reducing element on said first conveyor belt comprises arranging said noise reducing element within a first guide rail provided on said first conveyor belt.
  • transferring said noise reducing element to said second conveyor belt comprises feeding said noise reducing element within a second guide rail provided on said second conveyor belt.
  • a further noise reducing element is arranged on said first conveyor belt upstream of said noise reducing element along said feeding direction and in close proximity to said noise reducing element.
  • Such an operation can be repeated a predetermined number of times depending on the circumferential extension of the radially inner surface of the tyre and on the circumferential portion of such a radially inner surface that is wished to be engaged by the aforementioned elements made of sound-absorbing materials.
  • the Applicant has verified that it is preferable for such a circumferential portion to have a circumferential extension equal to at least 70% of the circumferential extension of the radially inner surface of the tyre.
  • detaching said portion of said layer of adhesive material comprises moving said second conveyor belt with respect to said first conveyor belt with a predetermined speed greater than zero.
  • the Applicant believes that it is possible to obtain a clean and precise detachment as a result even of only a variation in speed of the second conveyor belt with respect to the first conveyor belt (or vice-versa) thanks to the holding action exerted on the first conveyor belt by the noise reducing element arranged upstream of the one which has been transferred to the second conveyor belt.
  • detaching said portion of said layer of adhesive material comprises cutting said layer of adhesive material at an area located between said first conveyor belt and said second conveyor belt. In this way a clean and precise detachment of the layer of adhesive material is obtained even in cases in which the adhesive material has very strong internal bonds.
  • said noise reducing element is spaced from said further noise reducing element along said feeding direction.
  • spacing said noise reducing element comprises moving said second conveyor belt with respect to said first conveyor belt with a predetermined relative speed greater than zero.
  • the relative movement of the second conveyor belt with respect to the first conveyor belt is thus used both to obtain the aforementioned detachment and to achieve the aforementioned spacing.
  • picking up said noise reducing element comprises exerting a suction force on at least part of said at least one second surface of said noise reducing element.
  • picking up said noise reducing element comprises exerting on at least part of said at least one second surface of said noise reducing element, at the same time of said suction force, a pressing force from a head end portion of said noise reducing element up to a tail end portion of said noise reducing element.
  • the effectiveness of the suction force increases and, consequently, the effectiveness of the grip of the noise reducing elementincreases as well.
  • said pressing force is exerted on said head end portion when said head end portion projects canti-levered from said second conveyor belt.
  • picking up said noise reducing element comprises exerting on said head end portion of said noise reducing element, at the same time of said suction force, a thrust having a component oriented upwards. In this way, the initial gripping of the noise reducing element is made easier.
  • said applicator for applying said adhesive material comprises a pressing member configured to press said noise reducing element against said first conveyor belt so that said noise reducing element adheres firmly to a portion of said layer of adhesive material.
  • a second conveyor belt is arranged downstream of said first conveyor belt and is configured to receive said noise reducing element from said first conveyor belt.
  • said manipulator of said noise reducing element comprises a first robotized arm movable between said second conveyor belt and said tyre for vehicle wheels to pick up said noise reducing element from said second conveyor belt and position it in said predetermined position on said radially inner surface of said tyre.
  • an unwinding reel for unwinding said continuous film is arranged beneath said first conveyor belt at a tail end portion of said first conveyor belt.
  • a winding reel for winding said continuous film is arranged beneath said first conveyor belt at a head end portion of said first conveyor belt.
  • said continuous film extends from said unwinding reel to said winding reel passing over said upper surface of said first conveyor belt.
  • the continuous film thus remains positioned at the first conveyor belt when the noise reducing element, and the portion of layer of adhesive material associated thereto, moves on the second conveyor belt.
  • said manipulator of said noise reducing element comprises a first gripping member associated with a free end portion of said first robotized arm.
  • a first suction device is associated with said first gripping member.
  • said first suction device is able to be selectively activated to pick up, through said first gripping member, said noise reducing element from said second conveyor belt and release it on said tyre.
  • said gripping member comprises a gripping surface having a curved profile.
  • said curved profile has a bending radius substantially equal to that of the inner surface of said tyre along a circumferential direction thereof.
  • an average bending radius with respect to the bending radii of the inner surfaces of a batch of tyres on which the noise reducing elements must be glued is selected, so as to be able to use the same gripping member irrespective of the size of the specific tyre on which the noise reducing elements must be glued.
  • said gripping surface has an extension which is substantially equal to that of said noise reducing element. This is in order to ensure a grip and an even gluing along the entire surface extension of the noise reducing element.
  • a blade is arranged between said first conveyor belt and said second conveyor belt. Such a blade allows the clean and precise detachment of the layer of adhesive material associated with a first noise reducing element just transferred to the second conveyor belt from the layer of adhesive material associated with a second noise reducing element adjacent to said first noise reducing element and still supported by the first conveyor belt.
  • said blade is movable between a rest position distal from a plane to which the upper surface of said first conveyor belt belongs and an operative position in which said blade intersects said plane to which the upper surface of said first conveyor belt belongs.
  • a feeding belt is arranged upstream of said first conveyor belt to feed said noise reducing element to said first conveyor belt.
  • said distributor device comprises a second robotized arm movable between said feeding belt and said first conveyor belt to pick up said noise reducing element from said feeding belt and position it on said first conveyor belt.
  • the transferral of the noise reducing elements from the feeding belt to the first conveyor belt thus takes place in an automated manner.
  • said distributor device comprises a second gripping member associated with a free end portion of said second robotized arm.
  • a second suction device is associated with said second gripping member.
  • said second suction device is able to be selectively activated to pick up, through said second gripping member, said noise reducing element from said feeding belt and release it on said first conveyor belt.
  • a first guide rail for guiding said noise reducing element is arranged on said first conveyor belt.
  • a second guide rail for guiding said noise reducing element is arranged on said second conveyor belt.
  • a first adjusting device for adjusting the advancing speed of said first conveyor belt is provided.
  • a second adjusting device for adjusting the advancing speed of said second conveyor belt is provided.
  • said first and second adjusting devices can be selectively activated independently from each other. In this way, it is possible to move the second conveyor belt at a different speed from that of the first conveyor belt.
  • Such a provision allows the detachment of the layer of adhesive material associated with the noise reducing element from the layer of adhesive material arranged on the first conveyor belt and also allows two adjacent elements made of sound-absorbing material to be spaced apart from one another before the intervention of the aforementioned blade so as to avoid any risk of damaging the aforementioned noise reducing elements by such a blade.
  • a thrusting member is arranged close to a head end portion of said second conveyor belt, such a thrusting member being configured to exert on said noise reducing element a thrust having a component oriented upwards. In this way, the initial grip of the noise reducing element by the first robotized arm is made easier.
  • reference numeral 1 wholly indicates an exemplifying embodiment of an apparatus for automatically applying a noise reducing element to a tyre for vehicle wheels, in accordance with the present invention.
  • the tyre shown in figures 3 , 4 and 6 and indicated with 500, is preferably a tyre for four-wheeled vehicles, preferably for high-performance vehicles.
  • the apparatus 1 is used to automatically apply a plurality of noise reducing elements (all indicated with 100 in the figures attached hereto) onto a radially inner surface 501 of the tyre 500.
  • the noise reducing elements 100 are glued one after the other along the circumferential direction of the tyre 500, preferably symmetrically with respect to an axial mid-plane M of the tyre 500.
  • Figures 3 and 4 show a further tyre, indicated with 600, on which the noise reducing elements 100 should be glued, again through the apparatus 1 described here, once the gluing process of the noise reducing elements 100 on the tyre 500 is completed.
  • the tyres 500 and 600 are preferably arranged on a roller conveyor belt 700.
  • the tyre 500 on which the noise reducing elements 100 are glued is held in position, during the gluing operations, by suitable holding members 710.
  • the noise reducing elements 100 preferably have a rectangular parallelepiped shape. More preferably, they have a width comprised between about 100 mm and about 250 mm, a length comprised between about 100 mm and about 300 mm and a thickness comprised between about 15 mm and about 50 mm. However, noise reducing elements 100 can have shapes and sizes different from those indicated herein.
  • the noise reducing elements 100 are glued onto the radially inner surface 501 of the tyre 100 along the circumferential direction of the latter by arranging the longer sides of the noise reducing elements 100 substantially parallel to the axial mid-plane M of the tyre 100.
  • the mutual positioning of the noise reducing elements 100 on the radially inner surface 501 of the tyre 100 is such as to leave a gap between two adjacent noise reducing elements 100.
  • noise reducing elements 100 can be in direct contact with each other as well.
  • the circumferential extension of the portion of radially inner surface 501 of the tyre 500 on which the noise reducing elements 100 are glued is equal to at least 50% of the circumferential extension of the radially inner surface 501 of the tyre 500.
  • the aforementioned coverage can for example be comprised between about 70% and about 90%, preferably between about 71% and about 85% of the circumferential extension of the radially inner surface 501 of the tyre 500.
  • noise reducing elements 100 having different lengths can be used to obtain the desired coverages.
  • the noise reducing elements 100 are preferably made from sound-absorbing material, using foamed polymeric material (for example open cell foamed polyurethane). However, a different material having similar abilities to reduce noise can be used as well.
  • foamed polymeric material for example open cell foamed polyurethane
  • the density of the noise reducing elements 100 is preferably comprised between about 20 Kg/m 3 and about 200 Kg/m 3 . In a specific embodiment, such a density is equal to about 40 Kg/m 3 .
  • the apparatus 1 comprises a first conveyor belt 10 that is movable along a feeding direction A.
  • a second conveyor belt 20 is arranged downstream of the first conveyor belt 10.
  • the second conveyor belt 20 is also movable along a feeding direction A and is preferably made with anti-adhesive material, for example it is made anti-adhesive through a surface treatment with silicones.
  • a feeding belt 30 is provided upstream of the first conveyor belt 10.
  • the feeding belt 30 is also movable along the feeding direction A.
  • the feeding belt 30 and the two conveyor belts 10 and 20 are aligned and arranged in succession along the feeding direction A.
  • the first conveyor belt 10 is configured to receive, on the upper surface 10a thereof, the noise reducing elements 100 previously arranged on the feeding belt 30 to then pass them up to the second conveyor belt 20.
  • the passage of the noise reducing elements 100 from the first conveyor belt 10 to the second conveyor belt 20 takes place as a result of the movement of the first conveyor belt 10 along the feeding direction A.
  • the passage of the elements 100 made of sound-absorbing material from the feeding belt 30 to the first conveyor belt 10 preferably takes place as a result of the movement of the feeding belt 30 along the feeding direction A, or through the use of a second robotized arm 40 movable between a gripping position defined at the feeding belt 30 ( figure 1 ) and a release position defined at the first conveyor belt 10 ( figure 2 ).
  • the first conveyor belt 10 and the second conveyor belt 20 are movable along the feeding direction A upon command of respective drive members (not shown).
  • Each of the aforementioned drive members is associated with a respective adjusting device 15, 25 which adjusts the advancing speed of the respective first and second conveyor belt 10, 20.
  • Such adjusting devices 15, 25 act selectively on the respective drive members independently from each other so as to be able to move, when desired, the second conveyor belt 20 at a different speed from that of the first conveyor belt 10.
  • respective rails 11, 21 for guiding the noise reducing elements 100 are preferably arranged on the conveyor belts 10 and 20.
  • Such rails 11, 21 allow the correct positioning and centring, along a direction perpendicular to the feeding direction A, of the noise reducing elements 100 respectively on the upper surface 10a of the first conveyor belt 10 and on the upper surface 20a of the second conveyor belt 20.
  • the noise reducing elements 100 positioned on the feeding belt 30 are previously picked up from a suitable storage device (not shown) for example through the second robotized arm 40 or a further robotized arm (not shown).
  • the aforementioned noise reducing elements 100 can be formed by cutting them from a sheet of large dimensions (for example 800x1200 mm) positioned close to the feeding belt 30.
  • the second robotized arm 40 is preferably of the aerial type (i.e. it is associated with the ceiling or with an aerial rod), so as not to take up space on the floor.
  • the aerial type i.e. it is associated with the ceiling or with an aerial rod
  • the second robotized arm 40 comprises an articulated kinematism member 41 that allows the movement of the second robotized arm 40 along any direction in space.
  • the second robotized arm 40 comprises a gripping member 42 configured to pick up the noise reducing elements 100 and hold them in position during the movement of the second robotized arm 40.
  • the gripping member 42 comprises a gripping element 43 preferably including a plurality of suction channels (not shown) fluid-dynamically connected to a suction device 45 capable to be selectively activated. Therefore, the gripping of the noise reducing elements 100 from the feeding belt 30 and the holding of such noise reducing elements 100 during the movement of the second robotized arm 40 towards the first conveyor belt 10 takes place thanks to the suction force exerted on the aforementioned noise reducing elements 100 once the aforementioned suction device 45 has been activated. The release of the noise reducing elements 100 on the first conveyor belt 10, on the other hand, takes place following the deactivation of the aforementioned suction device 45.
  • the gripping member 42 can comprise a plurality of retractable hooks suitably commanded to capture/release the noise reducing elements 100.
  • the noise reducing elements 100 pass from the feeding belt 30 to the first conveyor belt 10 they are without any adhesive material.
  • the lower face thereof is made to adhere firmly to a portion of a layer of adhesive material 50a, preferably a pressure sensitive material, specifically provided on the upper surface 10a of the first conveyor belt 10.
  • the noise reducing elements 100 pass from the first conveyor belt 10 to the second conveyor belt 20, the aforementioned portion of layer of adhesive material 50a remains associated with the lower face of the aforementioned noise reducing elements 100.
  • the aforementioned layer of adhesive material 50a is initially associated with a face of a continuous film 50 suitably connected to the first conveyor belt 10.
  • the continuous film 50 thus acts as a support for the layer of adhesive material 50a before it is transferred to the noise reducing elements 100.
  • the continuous film 50 is unwound from an unwinding reel 51 preferably arranged beneath the first conveyor belt 10 at a tail end portion 10" thereof and, following the unwinding from the unwinding reel 51, it is collected on a winding reel 52 preferably arranged beneath the first conveyor belt 10 at a head end portion 10' thereof.
  • the continuous film 50 extends from the unwinding reel 51 to the winding reel 52 passing over the upper surface 10a of the first conveyor belt 10.
  • the portion of layer of adhesive material 50a which is located beneath such a noise reducing element 100 attaches firmly to the lower face of the noise reducing element 100 and remains attached to such a noise reducing element 100 even when the latter is transferred to the second conveyor belt 20. Therefore, the portion of continuous film 50 wound on the winding reel 52 is substantially free from the aforementioned layer of adhesive material 50a. In particular, it comprises a minimal amount of adhesive material 50a, corresponding to the adhesive material 50a which is provided in the spaces defined between two adjacent noise reducing elements 100 arranged on the first conveyor belt 10.
  • the continuous film 50 is preferably made from an anti-adhesive material (for example paper or polymeric material like polyethylene PE, polypropylene PP or polyethylene terephthalate PET, whose surface is treated with silicones).
  • an anti-adhesive material for example paper or polymeric material like polyethylene PE, polypropylene PP or polyethylene terephthalate PET, whose surface is treated with silicones.
  • the adhesion force of the layer of adhesive material 50a on the continuous film 50 is therefore substantially lower than that of adhesion of the layer of adhesive material 50a on the lower face of the noise reducing elements 100.
  • Such a continuous film 50 has a length equal to or greater than that of the noise reducing elements 100.
  • the possible difference in width between continuous film 50 and noise reducing elements 100 is not greater than about 2 mm.
  • the continuous film 50 preferably has a thickness (including the layer of adhesive material 50a) comprised between 30 and 150 ⁇ m, for example equal to about 80 ⁇ m.
  • continuous film 50 (provided with the layer of adhesive material 50a) that can be used are: 300LSE and 9773 from 3M Company and 5015T from Nitto Europe NV.
  • the apparatus 1 also comprises an adjusting device 55 for adjusting the position of the continuous film 50 on the upper surface 10a of the first conveyor belt 10 in a direction perpendicular to the feeding direction.
  • an adjusting device 55 is schematically shown only in figure 3 . It allows the correct mutual positioning between noise reducing elements 100 and continuous film 50.
  • the adjusting device 55 comprises for example a pair of photocells (not shown) that detect the alignment between each noise reducing element 100 and the continuous film 50 and a drive member (not shown) that moves the continuous film as a function of the signal detected by the photocells.
  • a pressing member 60 is provided above the first conveyor belt 10.
  • the pressing member 60 is movable, preferably along a substantially vertical direction, between an operative position, proximal to the upper surface 10a of the first conveyor belt 10, and a rest position, distal from the upper surface 10a of the first conveyor belt 10.
  • the pressing member 60 presses one or more noise reducing elements 100 against the first conveyor belt 10 so as to ensure that each of such noise reducing elements 100 can adhere firmly to a respective portion of layer of adhesive material 50a.
  • the pressing member 60 In the aforementioned rest position, the pressing member 60 is moved away from the aforementioned noise reducing elements 100 and therefore does not carry out any action on the noise reducing elements 100 ( figure 2 ).
  • the pressing member 60 is arranged at a head end portion 10' of the first conveyor belt 10.
  • the desired pressing action of the noise reducing elements 100 onto the first conveyor belt 10 can be obtained as a result of the thrust exerted on the noise reducing elements 100 by the gripping member 43 of the second robotized arm 40 when such noise reducing elements 100 are deposited onto the first conveyor belt 10.
  • a blade 70 is arranged between the first conveyor belt 10 and the second conveyor belt 20.
  • Such a blade 70 is movable, preferably along a substantially vertical direction, between a rest position, distal from a plane to which the upper surface 10a of the first conveyor belt 10 belongs ( figure 1 ), and an operative position in which the blade 70 intersects the aforementioned plane ( figure 2 ).
  • the blade 70 When it is in the rest position thereof, the blade 70 does not carry out any action. On the other hand, when the blade 70 is in the operative position thereof, it cuts the layer of adhesive material 50a associated with a noise reducing element 100 just transferred to the second conveyor belt 20, separating such a layer of adhesive material 50a from the layer of adhesive material 50a associated with a noise reducing element 100a adjacent to the aforementioned noise reducing element 100 and about to be transferred from the first conveyor belt 10 to the second conveyor belt 20, as shown in figure 2 .
  • the blade 70 is not necessary.
  • the detachment of the layer of adhesive material 50a adhered to the noise reducing element transferred to the second conveyor belt 20 from the layer of adhesive material associated with the noise reducing element 100a arranged on the first conveyor belt 10 takes place only as a result of a variation in speed of the second conveyor belt 20 with respect to the first conveyor belt 10 and thanks to the holding action exerted on the first conveyor belt 10 by the pressing force exerted on the noise reducing element 100a by the pressing member 60.
  • the apparatus 1 also comprises, close to the second conveyor belt 20, a first robotized arm 80 configured to pick up the noise reducing elements 100 from the second conveyor belt 20 and position them in the desired position on the radially inner surface 501 of the tyre 500. Such a positioning can also be obtained by exerting a suitable pressure.
  • the first robotized arm 80 is preferably of the aerial type (i.e. it is configured to be associated with the ceiling or with an aerial rod) so as not to take up space on the floor.
  • the aerial type i.e. it is configured to be associated with the ceiling or with an aerial rod
  • the first robotized arm 80 comprises an articulated kinematism member 81 that allows the movement of the first robotized arm 80 along any direction in space.
  • the first robotized arm 80 comprises a gripping member 82 configured to pick up the noise reducing elements 100 from the second conveyor belt 20 and hold it in position during the movement of the first robotized arm 80 towards the tyre 500.
  • the gripping member 82 comprises a gripping element 83 preferably including a plurality of suction channels (not shown) fluid-dynamically connected to a suction device 85 capable to be selectively activated. Therefore, the gripping of the noise reducing elements 100 from the second conveyor belt 20 and their holding during the movement of the first robotized arm 80 towards the tyre 500 takes place as a result of the suction force exerted on the noise reducing elements 100 once the aforementioned suction device 85 has been activated. The release of the noise reducing elements 100 on the radially inner surface 501 of the tyre 500, on the other hand, takes place following the deactivation of the aforementioned suction device 85.
  • the gripping element 83 comprises a gripping surface 83a having a curved profile.
  • the profile of the gripping surface 83a has a bending radius substantially equal to that of the inner surface 501 of the tyre 500 along the circumferential direction thereof.
  • the value of the bending radius of the gripping surface 83a is substantially equal to an average value of the bending radii of the inner surfaces of a batch of tyres 500, 600 on the noise reducing elements 100 will have to be glued.
  • the gripping surface 83a has substantially the same estension as that of the noise reducing element 100.
  • the gripping member 82 can comprise a plurality of retractable hooks which can be properly commanded to capture/release the noise reducing elements 100.
  • the apparatus 1 also comprises, close to a head end portion 20' of the second conveyor belt 20, a thrusting member 90 configured to exert on the noise reducing element 100 arranged on the second conveyor belt 20 a thrust having a component oriented upwards when said noise reducing element 100 is about to or begins to be picked up by the gripping member 82.
  • the thrusting member 90 is movable between an operative position (shown in figures 2 , 5a and 5b ) and a rest position (shown in figures 1 , 5c and 5d ).
  • the thrusting member 90 exerts the aforementioned thrust when it is in the operative position thereof.
  • the thrusting member 90 comprises a thrusting element 90a associated with a lever 90b preferably pivoted to said first robotized arm 80.
  • the noise reducing elements 100 are sequentially positioned on the feeding belt 30, which is moved with a predetermined speed along the feeding direction A. Such movement takes place in a sequential and alternate manner with respect to the positioning of the noise reducing elements 100 on the feeding belt 30, each time with an advancing steps of predetermined length.
  • the positioning of the noise reducing elements 100 on the feeding belt 30 can be carried out by a robotized arm, for example the second robotized arm 40 shown in figures 1-4 , or manually by an operator, picking up the noise reducing elements 100 from a suitable storage device arranged close to the feeding belt 30.
  • the noise reducing elements 100 can be obtained by cutting them from a sheet of large dimensions positioned close to the feeding belt 30.
  • the elements 100 made of sound-absorbing material are picked up in sequence by the gripping member 43 of the second robotized arm 40 and moved to the first conveyor belt 10, which is also motorised with a predetermined speed along the feeding direction A.
  • the picking up of the noise reducing elements 100 from the feeding belt 30, and the holding thereof during the movement towards the first conveyor belt 10 takes place as a result of the suction force exerted by the gripping member 42 on the noise reducing elements 100.
  • the noise reducing elements 100 are arranged on the first conveyor belt 10 within the guide rail 11, providing, or not, a gap between two adjacent noise reducing elements 100.
  • the noise reducing elements 100 are arranged on the first conveyor belt 10 substantially in contact with each other.
  • the positioning of the noise reducing elements 100 on the first conveyor belt 10 takes place in sequence each time after movement of the first conveyor belt 10 along the feeding direction A with an advancing step of predetermined length. Such movement causes the unwinding of a longitudinal portion of the continuous film 50, provided with adhesive material 50a, from the unwinding reel 51 and the winding of a corresponding longitudinal portion of the continuous film 50, substantially without adhesive material 50a, on the winding reel 52.
  • the noise reducing elements 100 are pressed against the upper surface 10a of the first conveyor belt 10 so that they can adhere firmly to the layer of adhesive material 50a associated with the continuous film 10 arranged on the upper surface 10a of the first conveyor belt 10.
  • Such a pressing action can be exerted by the second robotized arm 40 or, preferably, by the pressing member 60 arranged above the first conveyor belt 10.
  • the noise reducing elements 100 are transferred from the first conveyor belt 10 to the second conveyor belt 20, being positioned within the guide rail 21. Such a transfer takes place as a result of the movement of the first conveyor belt 10 along the feeding direction A. In the aforementioned transfer the portion of layer of adhesive material 50a associated with the lower face of the noise reducing elements 100 remains fixedly connected to the latter.
  • the position of the continuous film 50 on the first conveyor belt 10 in a direction perpendicular to the feeding direction A can be suitably adjusted, so that the noise reducing elements that are positioned on the continuous film 50 are centred with respect to the latter along the aforementioned direction perpendicular.
  • the second conveyor belt 20 is also moved in sequence along the feeding direction A with advancing steps adjusted preferably through a photocell (not shown) arranged at the end of the aforementioned second conveyor belt 20.
  • the movement speed thereof is greater than that of the first conveyor belt 10 (where the noise reducing elements 100 are preferably substantially in contact with each other) in the same time period, so as to obtain a desired spacing apart of the noise reducing elements 100 on the second conveyor belt 20, as shown in figures 1 and 2 .
  • the noise reducing elements 100 are located on the second conveyor belt 20 at a distance apart greater than about 1 mm, preferably comprised between about 1 mm and about 3-5 mm.
  • the greater speed of the second conveyor belt 20 with respect to the first conveyor belt 10 also allows a clean and precise detachment of the layer of adhesive material 50a associated with the noise reducing element 100 arranged on the second conveyor belt 20 from the layer of adhesive material 50a associated with the continuous film 50 that winds on the winding reel 52.
  • the noise reducing elements 100 arranged on the first conveyor belt 10 are in contact with each other, the aforementioned detachment takes place with respect to the layer of adhesive material 50a associated with the noise reducing element 100a still arranged on the first conveyor belt 10 and about to be transferred to the second conveyor belt 20 ( figure 2 ).
  • the higher speed of the second conveyor belt 20 with respect to the first conveyor belt 10 allows the noise reducing element 100 to be sufficiently spaced apart from the element 100a made of sound-absorbing material about to be transferred from the first conveyor belt 10 to the second conveyor belt 20, so as to prevent the blade 70 from being able to accidentally cut one or both of the aforementioned noise reducing elements 100, 100a.
  • the noise reducing elements 100 arranged on the second conveyor belt 20 are subsequently picked up in sequence from the second conveyor belt 20 ( figures 2 and 3 ) to be transferred towards the tyre 500 ( figure 4 ) and positioned (and thus glued) at respective predetermined positions on the radially inner surface 501 thereof ( figure 6 ).
  • Such picking up and transferl is carried out by the gripping member 82 of the first robotized arm 80, as shown in detail in figures 5a-5d .
  • the initial gripping of the noise reducing elements 100 from the second conveyor belt 20 is made easier by the upward thrust exerted on each noise reducing element 100 by the thrusting member 90.
  • the thrusting member 90 is activated (for example pneumatically) and brought into contact with such a head end portion 100' ( figure 5a ).
  • the gripping member 82 is brought by the first robotized arm 80 above the aforementioned noise reducing element 100 and a pressing force is exerted on the head end portion 100' of the noise reducing element 100 by a corresponding end portion of the gripping surface 83a of the gripping member 82 ( figure 5b ).
  • the suction device 85 is activated, so as to exert on the head end portion 100' of the noise reducing element 100 a suction force that is sufficient to lift it from the second conveyor belt 20.
  • the gripping member 82 While the suction device is active the gripping member 82 is rotated with respect to the noise reducing element 100 so as to exert the aforementioned pressing force progressively on adjacent portions of the noise reducing element 100 ( figure 5c ) until the tail end portion 100" thereof is reached ( figure 5d ).
  • the entire noise reducing element 100 is at this point firmly associated with the gripping surface 83a of the gripping member 82 and can thus be moved by the first robotized arm 80 towards the tyre 500 ( figure 4 ).
  • the first robotized arm 80 arranges the gripping member 82 so that the layer of adhesive material 50a associated with the noise reducing element 100 held by it faces the radially inner surface 501 of the tyre 500. Thereafter the gluing of the noise reducing element 100 inside the tyre 500 is carried out.
  • the aforementioned operations of gripping the noise reducing element 100 from the second conveyor belt 20 and gluing onto the radially inner surface 501 of the tyre 500 are repeated in sequence for a plurality of noise reducing elements 100 until the desired coverage of the radially inner surface 501 of the tyre 500 is obtained.
  • the tyre 500 is for example picked up by a suitable robotized arm and replaced by the tyre 600 ( figure 4 ).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
  • Tyre Moulding (AREA)

Claims (13)

  1. Verfahren zum Anbringen eines geräuschverringernden Elements (100) an einem Reifen (500) für Fahrzeugräder, umfassend:
    a) Bereitstellen eines geräuschverringernden Elements (100) ;
    b) Bereitstellen eines ersten Förderbands (10), das entlang einer Zuführrichtung (A) beweglich ist und an einer oberen Oberfläche (10a) davon eine durchgehende Folie (50) aufweist, die eine Lage von Klebematerial (50a) trägt;
    c) Führen des geräuschverringernden Elements (100) gemäß einer vorbestimmten Richtung, wobei das Führen des geräuschverringernden Elements (100) das Anordnen des geräuschverringernden Elements (100) an der oberen Oberfläche (10a) des ersten Förderbands (10) umfasst;
    d) Auftragen des Klebematerials (50a) auf eine erste Oberfläche des geräuschverringernden Elements (100) während des Führens;
    e) Interagieren, mittels eines Manipulators, mit einer zweiten Oberfläche des geräuschverringernden Elements (100), die sich von der ersten Oberfläche, auf welche das Klebematerial (50a) aufgetragen wurde, unterscheidet;
    f) Positionieren des geräuschverringernden Elements (100), durch den Manipulator, an einer vorbestimmten Position an einer radial inneren Oberfläche (501) des Reifens (500), wodurch die erste Oberfläche mit der radial inneren Oberfläche (501) in Kontakt gebracht wird.
  2. Verfahren nach Anspruch 1, des Weiteren umfassend das zyklische Wiederholen der Vorgänge von a) bis f), um einen vorbestimmten Abschnitt der radial inneren Oberfläche (501) des Reifens (500) mit einer Vielzahl von geräuschverringernden Elementen (100) zu versehen.
  3. Verfahren nach Anspruch 1 oder 2, wobei das Auftragen des Klebematerials (50a) auf eine erste Oberfläche des geräuschverringernden Elements (100) das Drücken des geräuschverringernden Elements (100) gegen das erste Förderband (10) umfasst, so dass das geräuschverringernde Element (100) fest an einem Abschnitt der Lage des Klebematerials (50a) klebt, wobei das Verfahren als Ergebnis der Bewegung des ersten Förderbands (10) entlang der Zuführrichtung (A) umfasst, das geräuschverringernde Element (100) auf ein zweites Förderband (20) zu übertragen, das dem ersten Förderband (10) nachgelagert angeordnet ist, während die durchgehende Folie (50) an dem ersten Förderband (10) gehalten wird.
  4. Verfahren nach Anspruch 3, umfassend das Ablösen des Abschnitts der Lage aus Klebematerial (50a) von der Lage aus Klebematerial (50a), die an dem ersten Förderband (10) angeordnet ist, wenn das geräuschverringernde Element (100) das erste Förderband (10) verlassen hat, wobei das Manipulieren des geräuschverringernden Elements (100) das Aufnehmen des geräuschverringernden Elements (100) mit der Lage aus Klebematerial von dem zweiten Förderband (20) und das Hinbewegen desselben zu dem Reifen (500) für Fahrzeugräder umfasst.
  5. Verfahren nach einem der vorhergehenden Ansprüche, wobei das Anordnen des geräuschverringernden Elements (100) an dem ersten Förderband (10) umfasst:
    - Aufnehmen des geräuschverringernden Elements (100) von einem Zuführband (30) oder einer Speichereinrichtung, das/die dem ersten Förderband (10) vorgelagert angeordnet ist;
    - Positionieren des geräuschverringernden Elements (100) an dem ersten Förderband (10).
  6. Verfahren nach einem der vorhergehenden Ansprüche, umfassend das Einstellen der Position der durchgehenden Folie (50) an der oberen Oberfläche (10a) des ersten Förderbands (10) in einer Richtung senkrecht auf die Zuführrichtung (A).
  7. Verfahren nach einem der vorhergehenden Ansprüche, umfassend das Anordnen eines weiteren geräuschverringernden Elements (100a) an dem ersten Förderband (10), dem geräuschverringernden Element (100) entlang der Zuführrichtung (A) nachgelagert und in unmittelbarer Nähe zu dem geräuschverringernden Element (100).
  8. Verfahren nach Anspruch 4 oder einem der Ansprüche 5 bis 7, sofern abhängig von Anspruch 4, wobei das Ablösen des Abschnitts der Lage aus Klebematerial (50a) umfasst:
    Bewegen des zweiten Förderbands (20) in Bezug auf das erste Förderband (10) mit einer vorbestimmten Geschwindigkeit größer als null, oder
    Abschneiden der Lage aus Klebematerial (50a) an einem Bereich, der zwischen dem ersten Förderband (10) und dem zweiten Förderband (20) gelegen ist.
  9. Vorrichtung (1) zum Anbringen eines geräuschverringernden Elements (100) an einem Reifen (500) für Fahrzeugräder, umfassend:
    - eine Verteilereinrichtung zum Verteilen von geräuschverringernden Elementen (100);
    - eine Trägereinrichtung zum Tragen eines Klebematerials (50a) ;
    - eine Führungseinrichtung zum Führen eines geräuschverringernden Elements (100) gemäß einer vorbestimmten Richtung;
    - einen Applikator zum Auftragen des Klebematerials (50a) auf eine erste Oberfläche des geräuschverringernden Elements (100) ;
    - einen Manipulator für das geräuschverringernde Element (100), der dazu ausgestaltet ist, mit einer zweiten Oberfläche des geräuschverringernden Elements (100), die sich von der ersten Oberfläche unterscheidet, zusammenzuwirken und das geräuschverringernde Element (100) an einer vorbestimmten Position auf einer radial inneren Oberfläche (501) des Reifens (500) zu positionieren, wodurch die erste Oberfläche mit der radial inneren Oberfläche (501) in Kontakt gebracht wird; wobei die Führungseinrichtung ein erstes Förderband (10) umfasst, das entlang einer Zuführrichtung (A) beweglich ist, und die Trägereinrichtung zum Tragen eines Klebematerials eine durchgehende Folie (50) umfasst, die eine Lage aus Klebematerial (50a) trägt, wobei die durchgehende Folie (50) dem ersten Förderband (10) zugeordnet ist und sich an einer oberen Oberfläche (10a) des ersten Förderbands (10) erstreckt.
  10. Vorrichtung (1) nach Anspruch 9, wobei der Applikator zum Auftragen des Klebematerials ein Andrückelement (60) umfasst, das dazu ausgestaltet ist, das geräuschverringernde Element (100) gegen das erste Förderband (10) zu drücken, so dass das geräuschverringernde Element (100) fest an einem Abschnitt der Lage aus Klebematerial (50a) klebt.
  11. Vorrichtung (1) nach einem der Ansprüche 9 oder 10, umfassend ein zweites Förderband (20), das dem ersten Förderband (10) nachgelagert angeordnet und dazu ausgestaltet ist, das geräuschverringernde Element (100) von dem ersten Förderband (10) zu empfangen, wobei der Manipulator des geräuschverringernden Elements (100) einen ersten Roboterarm (80) umfasst, der zwischen dem zweiten Förderband (20) und dem Reifen (500) für Fahrzeugräder beweglich ist, um das geräuschverringernde Element (100) von dem zweiten Förderband (20) aufzunehmen und es in der vorbestimmten Position an der radial inneren Oberfläche (501) des Reifens (500) zu positionieren.
  12. Vorrichtung (1) nach einem der Ansprüche 9 bis 11, umfassend:
    - eine Abwickelrolle (51) zum Abwickeln der durchgehenden Folie (50), wobei die Abwickelrolle (51) unterhalb des ersten Förderbands (10) an einem hinteren Endabschnitt (10") des ersten Förderbands (10) angeordnet ist;
    - eine Aufwickelrolle (52) zum Aufwickeln der durchgehenden Folie (50), wobei die Aufwickelrolle (51) unterhalb des ersten Förderbands (10) an einem vorderen Endabschnitt (10") des ersten Förderbands (10) angeordnet ist;
    wobei die durchgehende Folie (50) sich von der Abwickelrolle (51) bis zu der Aufwickelrolle (52) erstreckt und über die obere Oberfläche (10a) des ersten Förderbands (10) läuft.
  13. Vorrichtung (1) nach Anspruch 11 oder Anspruch 12 sofern abhängig von Anspruch 11, wobei der Manipulator des geräuschverringernden Elements (100) ein erstes Greifelement (83), das einem freien Endabschnitt (80a) des ersten Roboterarms (80) zugeordnet ist, und eine erste Saugeinrichtung (85) umfasst, die dem ersten Greifelement (83) zugeordnet ist und dazu in der Lage ist, selektiv aktiviert zu werden, um durch das erste Greifelement (83) das geräuschverringernde Element (100) von dem zweiten Förderband (20) aufzunehmen und es auf den Reifen (500) freizugeben, wobei das Greifelement (83) eine Greifoberfläche (83a) mit einem gekrümmten Profil aufweist, das entlang einer Umfangsrichtung davon einen Krümmungsradius im Wesentlichen gleich jenem der inneren Oberfläche (501) des Reifens (500) aufweist.
EP15825812.9A 2014-10-29 2015-10-27 Verfahren und vorrichtung zum automatischen aufbringen eines geräuschdämpfenden elements auf einen reifen für fahrzeugräder Active EP3212390B1 (de)

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WO2016067192A1 (en) 2016-05-06
BR112017007990B1 (pt) 2021-11-16
BR112017007990A2 (pt) 2018-02-20
CN107073853B (zh) 2020-04-10
RU2696455C2 (ru) 2019-08-01
RU2017118332A3 (de) 2019-03-19
MX2017005129A (es) 2017-07-14
US20170225417A1 (en) 2017-08-10
EP3212390A1 (de) 2017-09-06
US10926499B2 (en) 2021-02-23
CN107073853A (zh) 2017-08-18
RU2017118332A (ru) 2018-11-29

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